KR102209452B1 - 데이터 전송 방법, 장치 및 시스템 - Google Patents

데이터 전송 방법, 장치 및 시스템 Download PDF

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KR102209452B1
KR102209452B1 KR1020187012924A KR20187012924A KR102209452B1 KR 102209452 B1 KR102209452 B1 KR 102209452B1 KR 1020187012924 A KR1020187012924 A KR 1020187012924A KR 20187012924 A KR20187012924 A KR 20187012924A KR 102209452 B1 KR102209452 B1 KR 102209452B1
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South Korea
Prior art keywords
dma
address
host
virtual address
memory address
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KR1020187012924A
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English (en)
Korean (ko)
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KR20180063292A (ko
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이징 왕
셰 먀오
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후아웨이 테크놀러지 컴퍼니 리미티드
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Publication of KR20180063292A publication Critical patent/KR20180063292A/ko
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/28—Handling requests for interconnection or transfer for access to input/output bus using burst mode transfer, e.g. direct memory access DMA, cycle steal
    • G06F13/282—Cycle stealing DMA
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/28—Handling requests for interconnection or transfer for access to input/output bus using burst mode transfer, e.g. direct memory access DMA, cycle steal
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
    • G06F12/0292—User address space allocation, e.g. contiguous or non contiguous base addressing using tables or multilevel address translation means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0806—Multiuser, multiprocessor or multiprocessing cache systems
    • G06F12/0815—Cache consistency protocols
    • G06F12/0831—Cache consistency protocols using a bus scheme, e.g. with bus monitoring or watching means
    • G06F12/0835—Cache consistency protocols using a bus scheme, e.g. with bus monitoring or watching means for main memory peripheral accesses (e.g. I/O or DMA)
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/10—Address translation
    • G06F12/1081—Address translation for peripheral access to main memory, e.g. direct memory access [DMA]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/10—Address translation
    • G06F12/109—Address translation for multiple virtual address spaces, e.g. segmentation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/10—Providing a specific technical effect
    • G06F2212/1016—Performance improvement
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/62—Details of cache specific to multiprocessor cache arrangements
    • G06F2212/621—Coherency control relating to peripheral accessing, e.g. from DMA or I/O device
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/65—Details of virtual memory and virtual address translation
    • G06F2212/656—Address space sharing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/65—Details of virtual memory and virtual address translation
    • G06F2212/657—Virtual address space management
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/28—DMA
    • G06F2213/2804—Systems and methods for controlling the DMA frequency on an access bus

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Bus Control (AREA)
KR1020187012924A 2015-10-21 2016-10-14 데이터 전송 방법, 장치 및 시스템 KR102209452B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201510694821.4A CN105404597B (zh) 2015-10-21 2015-10-21 数据传输的方法、设备及系统
CN201510694821.4 2015-10-21
PCT/CN2016/102163 WO2017067420A1 (zh) 2015-10-21 2016-10-14 数据传输的方法、设备及系统

Publications (2)

Publication Number Publication Date
KR20180063292A KR20180063292A (ko) 2018-06-11
KR102209452B1 true KR102209452B1 (ko) 2021-01-28

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KR1020187012924A KR102209452B1 (ko) 2015-10-21 2016-10-14 데이터 전송 방법, 장치 및 시스템

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US (1) US20180239726A1 (de)
EP (1) EP3361387B1 (de)
KR (1) KR102209452B1 (de)
CN (1) CN105404597B (de)
WO (1) WO2017067420A1 (de)

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CN108021518B (zh) * 2017-11-17 2019-11-29 华为技术有限公司 一种数据交互方法和计算设备
EP3748926B1 (de) 2018-02-24 2024-05-15 Huawei Technologies Co., Ltd. Kommunikationsverfahren und -vorrichtung
US11874782B1 (en) * 2018-07-20 2024-01-16 Robert Gezelter Fast mass storage access for digital computers
US11294825B2 (en) * 2019-04-17 2022-04-05 SK Hynix Inc. Memory system for utilizing a memory included in an external device
KR20210001546A (ko) 2019-06-28 2021-01-06 에스케이하이닉스 주식회사 슬립모드에서 메모리 시스템의 내부데이터를 전송하는 장치 및 방법
KR20200139913A (ko) 2019-06-05 2020-12-15 에스케이하이닉스 주식회사 메모리 시스템, 메모리 컨트롤러 및 메타 정보 저장 장치
KR20200122086A (ko) 2019-04-17 2020-10-27 에스케이하이닉스 주식회사 메모리 시스템에서 맵 세그먼트를 전송하는 방법 및 장치
US11243714B2 (en) * 2019-06-11 2022-02-08 Samsung Electronics Co., Ltd. Efficient data movement method for in storage computation
CN110515860A (zh) * 2019-08-30 2019-11-29 苏州浪潮智能科技有限公司 一种内存中存储数据的地址标识方法、系统及装置
CN112540941A (zh) 2019-09-21 2021-03-23 华为技术有限公司 一种数据转发芯片及服务器
WO2021239230A1 (en) * 2020-05-28 2021-12-02 Huawei Technologies Co., Ltd. Method and system for direct memory access
CN111988394B (zh) * 2020-08-18 2022-11-01 北京金山云网络技术有限公司 一种虚拟化环境中优化p2p数据传输的方法、装置及设备
US20210105207A1 (en) * 2020-11-18 2021-04-08 Intel Corporation Direct memory access (dma) engine with network interface capabilities
CN112765053B (zh) * 2021-01-04 2022-11-29 潍柴动力股份有限公司 数据处理方法及装置
CN115269174A (zh) * 2021-04-30 2022-11-01 华为技术有限公司 一种数据传输方法、数据处理方法及相关产品
CN114780466B (zh) * 2022-06-24 2022-09-02 沐曦科技(北京)有限公司 一种基于dma的数据复制延时的优化方法
CN116414568B (zh) * 2023-06-09 2023-10-31 阿里巴巴（中国）有限公司 针对虚拟无线接入网络的内存调整方法、设备及系统

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Also Published As

Publication number Publication date
EP3361387A4 (de) 2018-10-17
US20180239726A1 (en) 2018-08-23
EP3361387B1 (de) 2023-05-03
KR20180063292A (ko) 2018-06-11
CN105404597B (zh) 2018-10-12
EP3361387A1 (de) 2018-08-15
WO2017067420A1 (zh) 2017-04-27
CN105404597A (zh) 2016-03-16

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